No Reserve Price - 5 pcs Diamond (Colour-treated) - 1.24 ct - Round - I1, I2 - Gemewizard Gemological Laboratory (GWLab)
03
days
15
hours
11
minutes
27
seconds
Starting bid
€ 1
No reserve price
Expert
Selected by Maria René Piacenza Bernal
FGA London gemmologist with 20 years' experience as independent diamond expert and trader.
Retail Estimate € 900 - € 1,100
No bids placed
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A parcel of five natural round brilliant diamonds, total weight 1.24 carats, colour treated, yellow colour and clarity I1/I2, graded in GWLab report no. 250101421016 and sealed by the laboratory.
AI-assisted summary
Description from the seller
The image shows a diamond grading report from GWLAB (Gemological Workshop Laboratory).
Here is a description of the key details visible on the report:
* Report Number: 250101421016
* Date: 09/11/2025 (The year suggests this is a future or placeholder date, or possibly an error in the photo capture or data entry.)
* DESCRIPTION: ONE PARCEL OF 5 NATURAL DIAMONDS
* Shape & Cutting Style: Round Brilliant
* Quantity: 5
* Total Weight (Actual): 1.24 Carats
* GRADING RESULT:
* Color grade: Yellow
* Clarity grade: I1/I2
* ENHANCEMENTS:
* Color treated: Yes (Likely, as "Color treated" is listed under Enhancements, though the text is partially obscured/implied by the formatting.)
* COMMENTS: A mixture of natural yellow diamonds of various intensities and shades.
This report indicates a small parcel of five natural, round brilliant cut diamonds with a total weight of 1.24 carats. They are graded as Yellow in color and have a low clarity grade of I1/I2 (Included 1 to Included 2). The "Color treated" enhancement suggests that the color of the diamonds may have been artificially enhanced after mining.
The image shows a diamond grading report from GWLAB (Gemological Workshop Laboratory).
Here is a description of the key details visible on the report:
* Report Number: 250101421016
* Date: 09/11/2025 (The year suggests this is a future or placeholder date, or possibly an error in the photo capture or data entry.)
* DESCRIPTION: ONE PARCEL OF 5 NATURAL DIAMONDS
* Shape & Cutting Style: Round Brilliant
* Quantity: 5
* Total Weight (Actual): 1.24 Carats
* GRADING RESULT:
* Color grade: Yellow
* Clarity grade: I1/I2
* ENHANCEMENTS:
* Color treated: Yes (Likely, as "Color treated" is listed under Enhancements, though the text is partially obscured/implied by the formatting.)
* COMMENTS: A mixture of natural yellow diamonds of various intensities and shades.
This report indicates a small parcel of five natural, round brilliant cut diamonds with a total weight of 1.24 carats. They are graded as Yellow in color and have a low clarity grade of I1/I2 (Included 1 to Included 2). The "Color treated" enhancement suggests that the color of the diamonds may have been artificially enhanced after mining.
Details
Lab report number
250101421016
Diamond type
Colour-treated
Number of diamonds
5
Total carat weight
1.24
Diamond Clarity Grade
I1, I2
Laboratory Report
Gemewizard Gemological Laboratory (GWLab)
Sealed by laboratory
Yes
Laser Engraved
No
Shape
Round
Cutting style
Brilliant cut
Disclaimer
Catawiki always aims to offer you the best possible buying experience. Our experts virtually review and select every object in line with our submission guidelines. While we strive to provide a detailed description and photographs of each jewellery object, discrepancies or inaccuracies may occur. It is your responsibility to review all of the information provided about an object, including the condition and description, before placing an order. Sellers are responsible for the information, pictures and description provided, including the quality, quantity and nature of the jewelry supplied. A small imperfection that cannot be seen in the photo but is included in the description is not a non-conformity. A Lab Report is not a guarantee, valuation or appraisal regarding the articles described therein. A Lab Report contains only the characteristics of an article described after it has been graded, tested, examined, and analyzed using the techniques and equipment used at the time of the examination from that specific Lab. The results of any other examination performed on the article may differ depending when, how, by whom and with which grading standard the article is examined. In addition, any changes and improvements in techniques and equipment that may have occurred which may enable the examiner to detect, among other things, the use of processes for altering the characteristics of an article which use was previously undetectable, does not automatically mean the object does not conform to its description.
Catawiki always aims to offer you the best possible buying experience. Our experts virtually review and select every object in line with our submission guidelines. While we strive to provide a detailed description and photographs of each jewellery object, discrepancies or inaccuracies may occur. It is your responsibility to review all of the information provided about an object, including the condition and description, before placing an order. Sellers are responsible for the information, pictures and description provided, including the quality, quantity and nature of the jewelry supplied. A small imperfection that cannot be seen in the photo but is included in the description is not a non-conformity. A Lab Report is not a guarantee, valuation or appraisal regarding the articles described therein. A Lab Report contains only the characteristics of an article described after it has been graded, tested, examined, and analyzed using the techniques and equipment used at the time of the examination from that specific Lab. The results of any other examination performed on the article may differ depending when, how, by whom and with which grading standard the article is examined. In addition, any changes and improvements in techniques and equipment that may have occurred which may enable the examiner to detect, among other things, the use of processes for altering the characteristics of an article which use was previously undetectable, does not automatically mean the object does not conform to its description.
